Re: alx-0008 - Standardize strtoi(3) and strtou(3) from NetBSD

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From: Alejandro Colomar <[email protected]>
To: Thorsten Glaser <[email protected]>
Cc: Bruno Haible <[email protected]>, [email protected], 
	[email protected], [email protected], [email protected], 
	christos <[email protected]>, 
	=?utf-8?B?xJBvw6BuIFRy4bqnbiBDw7RuZw==?= Danh <[email protected]>, Paul Eggert <[email protected]>, 
	Eli Schwartz <[email protected]>, Guillem Jover <[email protected]>, 
	Iker Pedrosa <[email protected]>, Michael Vetter <[email protected]>, Robert Elz <[email protected]>, 
	[email protected], Sam James <[email protected]>, "Serge E. Hallyn" <[email protected]>
Subject: Re: alx-0008 - Standardize strtoi(3) and strtou(3) from NetBSD
References: <mgcfwxfmv3kpfnkkf6uj63kx5tdzl64p2zg2us4ntsu6q5xkwj@k52z5yyiywoo>
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 <[email protected]>
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In-Reply-To: <[email protected]>

Hi Thorsten,

On Thu, Mar 20, 2025 at 01:31:37AM +0100, Thorsten Glaser wrote:
> >Can you clarify how this is useful as a programmer?  I have replaced
> >*all* calls to strtoul(3) et al. in shadow-utils by my strtou_noneg(),
> >and never ever saw a valid use case of that feature.
>=20
> I said useful for users (and no bother to programmers).
>=20
> This way, users can do things like './a.out -x $((something))'
> and have it work even if that something ends up negative in
> the shell (not all shells have a way for unsigned arithmetic
> output).

Ahh, I understand now.  Hmmm, I think I prefer keeping my sanity, and
let the user do the hard work.  :)

> >> The other user=E2=80=99s PoV thing would be to allow 0x prefixing,
>=20
> >I don't understand what you mean.  strtou(3) supports 0x strings as
>=20
> Oh, right, it=E2=80=99s one of those where you specify the base.
> I might have been confused by too many things at talk at
> the same time.

Ahhh, probably with OpenBSD's strtonum(3).

     long long
     strtonum(const char *nptr, long long minval, long long maxval,
         const char **errstr);

It seems it doesn't have a base.

> Or just need sleep. Good night to you as well,
> //mirabilos

Cheers,
Alex  :)

--=20
<https://www.alejandro-colomar.es/>

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